I don't remember where but someone posted a link to a clip from an interesting show called Real Class where a few foreign idols are tested on their knowledge of Korean, ranked according to their skills (from capabilities of a Korean five-year-old to an eight-year-old) and then several tutors (a few kids and two old ladies) help them to complete the same test. From what I've seen there's supposed to be three episodes but I'm still looking for subs for the second one.
http://www.dailymotion.com/video/x5ae0ic 